Mama ni Naisho no Hatsujouki | 對媽媽保密的發情期
(C93) [Zabuton Makura (Nakai)] Anoko ni Naisho no Uchiawase (THE IDOLM@STER CINDERELLA GIRLS)
(C78) [apricot (Anji, Kuroo)] Omote to Ura no Himitsu to Naisho. (Amagami) [English]
(C70) [Dr.VERMILION (Riku, Kurasawa Makoto, Petenshi)] Youmu no Naisho! (Touhou Project)
Naisho no Zupohame Shinkon Life | The Secret Bold-Fuck in A Newly-wed Life
[Root 12-hedron (Landolt Tamaki)] Zutto Naisho ni Shiteta kedo, Jitsu wa Watashi, Haeteru no. | I've always kept this a secret, but the truth is, I have one [English] [UsagiTrans] [Digital]
Atarashii Haha wa Russia-jin!? Oyaji ni Naisho de Niizuma Netori!
(C91) [Fujiya (Nectar)] Naisho na Shinomiya-san | The Secretive Shinomiya-san [English] {Hennojin}
Mama ni wa Naisho
(C93) [Yakitate Jamaica (Aomushi)] Renzoku Taikyuu 8-jikan: Okay-san ga 8-jikan Buttooshi de Taikyuu Ecchi Suru Hon | 8 Hours Non-Stop Endurance: Kay Endures 8 Straight Hours of Non-Stop Sex (Girls und Panzer) [English] =7BA=
Naisho no Nail
[Takase Yuu] Naisho no Jiyuuchou